|Season|Tier|Division|Place|
|---|---|---|---|
|1963–86|5|Regional|—|
|1986/87|5|Preferente|2nd|
|1987/88|4|3ª|15th|
|1988/89|4|3ª|15th|
|1989/90|4|3ª|17th|
|1990/91|4|3ª|12th|
|1991/92|4|3ª|18th|
|1992/93|5|Preferente|1st|
|1993/94|4|3ª|14th|
|1994/95|4|3ª|16th|
|1995/96|4|3ª|19th|
|1996/97|5|Preferente|1st|
|1997/98|4|3ª|7th|
|1998/99|4|3ª|18th|

Question: how many times did sd ponferradina b compete in division 3a?
Answer: 10